150657538 has 4 divisors (see below), whose sum is σ = 225986310. Its totient is φ = 75328768.

The previous prime is 150657461. The next prime is 150657539. The reversal of 150657538 is 835756051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96884649 + 53772889 = 9843^2 + 7333^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 150657538.

It is not an unprimeable number, because it can be changed into a prime (150657539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37664383 + ... + 37664386.

Almost surely, 2^150657538 is an apocalyptic number.

150657538 is a deficient number, since it is larger than the sum of its proper divisors (75328772).

150657538 is an equidigital number, since it uses as much as digits as its factorization.

150657538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75328771.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 150657538 is about 12274.2632365450. The cubic root of 150657538 is about 532.1045288980.

The spelling of 150657538 in words is "one hundred fifty million, six hundred fifty-seven thousand, five hundred thirty-eight".